Studies of symbiotic stars. II - V 1016 Cyg: A binary of 6.0 yr period with variable dust obscuration

Details Studies of symbiotic stars. II - V 1016 Cyg: A binary of 6.0 yr period with variable dust obscuration Studies of symbiotic stars. II - V 1016 Cyg: A binary of 6.0 yr period with variable dust obscuration

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...200l..13m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 200, no. 1-2, July 1988, p. L13-L16.

Astronomy and Astrophysics

Astronomy

18

Binary Stars, Cosmic Dust, Mira Variables, Symbiotic Stars, Ultraviolet Radiation, Infrared Astronomy Satellite, Infrared Photometry, Light Curve, Roche Limit

Scientific paper

On the basis of an incomplete portion of an UV light curve, it has been recently suggested that the very slow nova V1016 Cyg is a binary system with a 9.5 year orbital period. Following the analysis of a two decade long IR photometry, the author proposes a different orbital period, namely 6.0 years. This determination originates from modelling the dust obscuration episodes experienced by the Mira variable in V1016 Cyg. The Mira has a pulsation period of 478 days and very probably fills its Roche lobe. A temperature of 800K is derived for the dust around the Mira.

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